package com.ts.ischool.service;import java.util.List;import com.ts.ischool.dao.ClassDao;import com.ts.ischool.pojo.ClassBean;public class ClassServiceImpl implements ClassService {	private ClassDao classDao;		public List<ClassBean> getAllClass()	{		return classDao.getAllClass();	}	public void setClassDao(ClassDao classDao) {		this.classDao = classDao;	}	}